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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Feb 2009 Posts: 66 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 66 | I have a 1970 GMC 1500 and I don;t know which rear end I have. I don't know where the vindication plate is. All I have found is the GVWR plate, and it has what looks like a the vindication number, but on a code page I found, most of my vindication numbers aren't even choices. I do know that it has a TH 400 right now, but since I have no vin. plate, I don't know what is original and what is not (the engine was not). I guess my question is stiil what is my rear end ratio most likely to be? And where might I look for the vindication plate?
"So this year, I am upgraging my policy of zero tolerance to one of SUB-zero tolerance, which is MORE than zero." -Principal Jindraike
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